/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

/*  Extra functions used by unireg library */

#ifndef _unireg_h

#ifndef NO_ALARM_LOOP
#define NO_ALARM_LOOP /* lib5 and popen can't use alarm */
#endif

/* These paths are converted to other systems (WIN95) before use */

#define LANGUAGE "english/"
#define ERRMSG_FILE "errmsg.sys"
#define TEMP_PREFIX "MY"
#define LOG_PREFIX "ML"
#define PROGDIR "bin/"
#ifndef DATADIR
#define DATADIR "data/"
#endif
#ifndef SHAREDIR
#define SHAREDIR "share/"
#endif

#define ER(X) errmesg[(X)-ER_ERROR_FIRST]
#define ER_SAFE(X) (((X) >= ER_ERROR_FIRST && (X) <= ER_ERROR_LAST) ? ER(X) : "Invalid error code")

#define ERRMAPP 1                 /* Errormap f|r my_error */
#define LIBLEN FN_REFLEN - FN_LEN /* Max l{ngd p} dev */
#define MAX_DBKEY_LENGTH                                        \
  (FN_LEN * 2 + 1 + 1 + 4 + 4) /* extra 4+4 bytes for slave tmp \
                                * tables */
#define MAX_ALIAS_NAME 256
#define MAX_FIELD_NAME 34 /* Max colum name length +2 */
#define MAX_SYS_VAR_LENGTH 32
#define MAX_KEY 64       /* Max used keys */
#define MAX_REF_PARTS 16 /* Max parts used as ref */
#if SIZEOF_CHARP > 4
#define MAX_KEY_LENGTH 3072 /* max possible key, if 64 bits */
#else
#define MAX_KEY_LENGTH 1024 /* max possible key, if 32 bits */
#endif
#if SIZEOF_OFF_T > 4
#define MAX_REFLENGTH 8 /* Max length for record ref */
#else
#define MAX_REFLENGTH 4 /* Max length for record ref */
#endif
#define MAX_HOSTNAME 61 /* len+1 in mysql.user */

#define MAX_MBWIDTH 3 /* Max multibyte sequence */
#define MAX_FIELD_CHARLENGTH 255
#define MAX_FIELD_VARCHARLENGTH 65535
#define CONVERT_IF_BIGGER_TO_BLOB 512 /* Used for CREATE ... SELECT */

/* Max column width +1 */
#define MAX_FIELD_WIDTH (MAX_FIELD_CHARLENGTH * MAX_MBWIDTH + 1)

#define MAX_BIT_FIELD_LENGTH 64 /* Max length in bits for bit fields */

#define MAX_DATE_WIDTH 10          /* YYYY-MM-DD */
#define MAX_TIME_WIDTH 23          /* -DDDDDD HH:MM:SS.###### */
#define MAX_DATETIME_FULL_WIDTH 29 /* YYYY-MM-DD HH:MM:SS.###### AM */
#define MAX_DATETIME_WIDTH 19      /* YYYY-MM-DD HH:MM:SS */

#define MAX_TABLES (sizeof(table_map) * 8 - 3) /* Max tables in join */
#define PARAM_TABLE_BIT (((table_map)1) << (sizeof(table_map) * 8 - 3))
#define OUTER_REF_TABLE_BIT (((table_map)1) << (sizeof(table_map) * 8 - 2))
#define RAND_TABLE_BIT (((table_map)1) << (sizeof(table_map) * 8 - 1))
#define PSEUDO_TABLE_BITS (PARAM_TABLE_BIT | OUTER_REF_TABLE_BIT | RAND_TABLE_BIT)
#define MAX_FIELDS 4096 /* Limit in the .frm file */

#define MAX_SORT_MEMORY (2048 * 1024 - MALLOC_OVERHEAD)
#define MIN_SORT_MEMORY (32 * 1024 - MALLOC_OVERHEAD)

/* Memory allocated when parsing a statement / saving a statement */
#define MEM_ROOT_BLOCK_SIZE 8192
#define MEM_ROOT_PREALLOC 8192
#define TRANS_MEM_ROOT_BLOCK_SIZE 4096
#define TRANS_MEM_ROOT_PREALLOC 4096

#define DEFAULT_ERROR_COUNT 64
#define EXTRA_RECORDS 10              /* Extra records in sort */
#define SCROLL_EXTRA 5                /* Extra scroll-rows. */
#define FIELD_NAME_USED ((uint)32768) /* Bit set if fieldname used */
#define FORM_NAME_USED ((uint)16384)  /* Bit set if formname used */
#define FIELD_NR_MASK 16383           /* To get fieldnumber */
#define FERR -1                       /* Error from my_functions */
#define CREATE_MODE 0                 /* Default mode on new files */
#define NAMES_SEP_CHAR '\377'         /* Char to sep. names */

#define READ_RECORD_BUFFER (uint)(IO_SIZE * 8) /* Pointer_buffer_size */
#define DISK_BUFFER_SIZE (uint)(IO_SIZE * 16)  /* Size of diskbuffer */
#define POSTFIX_ERROR DBL_MAX

#define ME_INFO (ME_HOLDTANG + ME_OLDWIN + ME_NOREFRESH)
#define ME_ERROR (ME_BELL + ME_OLDWIN + ME_NOREFRESH)
#define MYF_RW MYF(MY_WME + MY_NABP) /* Vid my_read & my_write */

#define SPECIAL_USE_LOCKS 1       /* Lock used databases */
#define SPECIAL_NO_NEW_FUNC 2     /* Skip new functions */
#define SPECIAL_SKIP_SHOW_DB 4    /* Don't allow 'show db' */
#define SPECIAL_WAIT_IF_LOCKED 8  /* Wait if locked database */
#define SPECIAL_SAME_DB_NAME 16   /* form name = file name */
#define SPECIAL_ENGLISH 32        /* English error messages */
#define SPECIAL_NO_RESOLVE 64     /* Don't use gethostname */
#define SPECIAL_NO_PRIOR 128      /* Don't prioritize threads */
#define SPECIAL_BIG_SELECTS 256   /* Don't use heap tables */
#define SPECIAL_NO_HOST_CACHE 512 /* Don't cache hosts */
#define SPECIAL_SHORT_LOG_FORMAT 1024
#define SPECIAL_SAFE_MODE 2048
#define SPECIAL_LOG_QUERIES_NOT_USING_INDEXES \
  4096 /* Log q not using indexes             \
        */

/* Extern defines */
#define store_record(A, B) bmove_align((A)->B, (A)->record[0], (size_t)(A)->s->reclength)
#define restore_record(A, B) bmove_align((A)->record[0], (A)->B, (size_t)(A)->s->reclength)
#define cmp_record(A, B) memcmp((A)->record[0], (A)->B, (size_t)(A)->s->reclength)
#define empty_record(A)                              \
  {                                                  \
    restore_record((A), s->default_values);          \
    bfill((A)->null_flags, (A)->s->null_bytes, 255); \
  }

/* Defines for use with openfrm, openprt and openfrd */

#define READ_ALL 1              /* openfrm: Read all parameters */
#define CHANGE_FRM 2            /* openfrm: open .frm as O_RDWR */
#define READ_KEYINFO 4          /* L{s nyckeldata fr}n filen */
#define EXTRA_RECORD 8          /* Reservera plats f|r extra record */
#define DONT_OPEN_TABLES 8      /* Don't open database-files (frd) */
#define DONT_OPEN_MASTER_REG 16 /* Don't open first reg-file (prt) */
#define EXTRA_LONG_RECORD 16    /* Plats f|r dubbel s|k-record */
#define COMPUTE_TYPES 32        /* Kontrollera type f|r f{ltena */
#define SEARCH_PRG 64           /* S|k efter registret i 'prg_dev' */
#define READ_USED_NAMES 128     /* L{s anv{nda formul{rnamn */
#define DONT_GIVE_ERROR 256     /* Don't do frm_error on openfrm  */
#define READ_SCREENS 1024       /* Read screens, info and helpfile */
#define DELAYED_OPEN 4096       /* Open table later */
#define NO_ERR_ON_NEW_FRM 8192  /* stop error sending on new format */

#define SC_INFO_LENGTH 4 /* Form format constant */
#define TE_INFO_LENGTH 3
#define MTYP_NOEMPTY_BIT 128

#define FRM_VER_TRUE_VARCHAR (FRM_VER + 4)
/*
  Minimum length pattern before Turbo Boyer-Moore is used
  for SELECT "text" LIKE "%pattern%", excluding the two
  wildcards in class Item_func_like.
*/
#define MIN_TURBOBM_PATTERN_LEN 3

/*
   Defines for binary logging.
   Do not decrease the value of BIN_LOG_HEADER_SIZE.
   Do not even increase it before checking code.
*/

#define BIN_LOG_HEADER_SIZE 4
#define FLOATING_POINT_BUFFER 331

#define DEFAULT_KEY_CACHE_NAME "default"

/* Include prototypes for unireg */

#include "mysqld_error.h"
#include "structs.h" /* All structs we need */

#endif
